Portable touch screen controller



FIG. 1 is a perspective view of a portable touch screen controller in accordance with our invention;

FIG. 2 is a front elevation view of the portable touch screen controller shown in FIG. 1;

FIG. 3 is a rear elevation view of the portable touch screen controller shown in FIG. 1;

FIG. 4 is a left side elevation view of the portable touch screen controller shown in FIG. 1;

FIG. 5 is a right side elevation view of the portable touch screen controller shown in FIG. 1;

FIG. 6 is a top plan view of the portable touch screen controller shown in FIG. 1; and,

FIG. 7 is a bottom plan view of the portable touch screen controller shown in FIG. 1. 

The ornamental design for a portable touch screen controller, as shown and described. 